Home / 74,217.36-111,326.13-18,057.47

Finding the Fourth Proportional to 74,217.36, 111,326.13 and 18,057.47

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Solution

The fourth proportional to 74,217.36, 111,326.13 and 18,057.47 is: 27,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,217.36 : 111,326.13 = 18,057.47 : x
  2. Step 2: Convert to fraction form
    74,217.36/111,326.13 = 18,057.47/x
  3. Step 3: Cross multiply
    74,217.36x = 111,326.13 × 18,057.47
  4. Step 4: Simplify right side
    74,217.36x = 2,010,268,162.40
  5. Step 5: Solve for x
    x = 2,010,268,162.40/74,217.36
  6. Step 6: Final answer
    x = 27,086.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.